package jdbc;

import java.sql.Connection;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;

/**
 * 执行DQL语句
 */
public class JDBCDemo5 {
    public static void main(String[] args) {
        try(
                Connection connection=DBUtil.getConnection();
                ) {
            Statement statement=connection.createStatement();
            String sql="SELECT id,name,salary,title " +
                       "FROM teacher";
           ResultSet rs= statement.executeQuery(sql);
           while (rs.next()){
               int id=rs.getInt("id");
               String name=rs.getString("name");
               int salary=rs.getInt("salary");
               String title=rs.getString("title");
               System.out.println(id + " " + name + " " + salary + " " + title);
           }
        } catch (SQLException e) {
            e.printStackTrace();
        }
    }
}
